CN104667558B - Light organic matter stripper column system and technique - Google Patents
Light organic matter stripper column system and technique Download PDFInfo
- Publication number
- CN104667558B CN104667558B CN201510089386.2A CN201510089386A CN104667558B CN 104667558 B CN104667558 B CN 104667558B CN 201510089386 A CN201510089386 A CN 201510089386A CN 104667558 B CN104667558 B CN 104667558B
- Authority
- CN
- China
- Prior art keywords
- organic matter
- light organic
- matter stripper
- overhead stream
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to light organic matter stripper column system and technique.A kind of technique for being used to run light organic matter stripper system includes removing light organic matter stripper overhead stream from light organic matter stripper column, and light organic matter stripper overhead stream is sent into flash cold column.On the one hand, light organic matter stripper overhead stream can be sent to condenser before flash cold column is sent to.
Description
Technical field
A kind of system and technique for being used to manufacture acrylonitrile and methacrylonitrile is provided.More particularly, the system and technique
Using light organic matter stripper column (stripper column) headpiece.
Background technology
Various techniques and system for manufacturing acrylonitrile and methacrylonitrile are known；It see, for example United States Patent (USP)
No. 6,107,509.Typically, selected from propane, propylene or isobutene, the hydrocarbon of ammonia and oxygen in the presence of a catalyst direct
The recovery of acrylonitrile/methacrylonitrile caused by reaction and lower person is purified by realize：Acrylonitrile/metering system will be included
The reactor effluent of nitrile is transferred to the first tower (quenching), and there, reactor effluent is cooled down by the first aqueous stream；It will include
The effluent through cooling of acrylonitrile/methacrylonitrile is transferred in the second tower (absorber), there, the effluent through cooling
The second aqueous stream is contacted, acrylonitrile/methacrylonitrile is absorbed in the second aqueous stream；Acrylonitrile/metering system will be included
Second aqueous stream of nitrile is transferred to the first destilling tower (recovery tower) from the second tower, to isolate original propylene from the second aqueous stream
Nitrile/methacrylonitrile；And original acrylonitrile/methacrylonitrile of separation is transferred to after-fractionating tower (head tower), with from original
At least some impurity are removed in beginning acrylonitrile/methacrylonitrile；And the acrylonitrile partly purified/methacrylonitrile is transmitted
To the 3rd destilling tower (product tower), to obtain product acrylonitrile/methacrylonitrile.United States Patent (USP) No. 4,234,510；No. 3,
885,928；No. 3,352,764；No. 3,198,750 and No. 3,044,966 illustrates acrylonitrile and methacrylonitrile
Typical recovery and purifying process.
Although the manufacture of acrylonitrile/methacrylonitrile has commercially been put into practice for many years, but still is existed with notable
The improvement areas of benefit.One of those improvement areas will improve the utilization to the overhead stream from light organic matter stripper.
The content of the invention
A kind of technique for being used to produce acrylonitrile and methacrylonitrile by recovery tower bottoms including being sent to multistage evaporation
Device system, there, the part evaporation and condensation of liquid, produce evaporator condensation thing.This evaporator condensation thing includes few
Ammonia and HCN are measured, and is sent to light organic matter stripper (LOS), to remove ammonia and HCN.It is comprising ammonia and HCN, from LOS
Headpiece is typically used as the live steam towards recovery tower.The ammonia content of LOS headpieces can increase the possibility of fouling in recovery tower
Property.Moreover, this selection needs to run LOS at a higher pressure, because the low portion of recovery tower (introduces LOS here
Headpiece) place pressure it is high.
Alternatively, flash cold column can be transmitted in LOS headpieces.The possibility that this selection solves recovery tower fouling is increased
Problem, still, the thermal content of this stream can improve flash cold column temperature.Temperature, which improves, can negatively affect flash cold column operation.Working as
In preceding technique and system, LOS headpieces can condense before any other equipment is sent to.This allows LOS in relatively low pressure
Run under power.The thermal content of LOS headpieces is delivered to the coolant fluid that can be used in for example for other techniques of degasser
Body, such as softened water.On the one hand, technique includes LOS headpieces being sent to flash cold column.
Fouling can be caused by being contacted with LOS overhead streams.One or more positions can be added acid to, such as cold
Spraying above condenser tube sheet is added in condenser, is added in LOS headpiece pipelines, and be added to liquid condensate
In, to prevent fouling.
On the one hand, a kind of technique for being used to run light organic matter stripper system includes moving from light organic matter stripper column
Except light organic matter stripper overhead stream；And at least a portion of light organic matter stripper overhead stream is sent to quenching
Tower.
On the other hand, a kind of technique for being used to run light organic matter stripper system is included from light organic matter stripper column
Remove light organic matter stripper overhead stream；At least a portion of light organic matter stripper overhead stream is set to be combined with liquid flow,
To provide Combined light organic matter stripper overhead stream；And at least one by Combined light organic matter stripper overhead stream
It is partially transferred to flash cold column.
On the other hand, a kind of technique for being used to run light organic matter stripper system is included from light organic matter stripper column
Remove light organic matter stripper overhead stream；Part or all for making light organic matter stripper overhead stream within the condenser is cold
It is solidifying, to provide the light organic matter stripper overhead stream condensed at least in part；It is and light organic by what is condensed at least in part
Thing stripper overhead stream is sent to flash cold column.
On the other hand, a kind of technique for being used to run light organic matter stripper system is included from light organic matter stripper column
Remove light organic matter stripper overhead stream；At least a portion of light organic matter stripper overhead stream is set to be contacted with acid, to carry
For acidified light organic matter stripper overhead stream；Make acidified light organic matter stripper overhead stream within the condenser
At least a portion condenses, to provide the light organic matter stripper overhead stream condensed at least in part；And will at least in part
The light organic matter stripper overhead stream of condensation is sent to flash cold column.
On the other hand, a kind of light organic matter stripper system includes light organic matter stripper column；And it is configured to gently to have
Machine thing stripper overhead stream is sent at least one pipeline of flash cold column.
On the other hand, a kind of light organic matter stripper system includes light organic matter stripper column；It is configured to light organic matter
Stripper overhead stream is sent at least one pipeline of flash cold column；And it is configured to enter in light organic matter overhead stream and is quenched
Liquid flow is sent to at least one pipeline of light organic matter overhead stream before tower.
On the other hand, a kind of light organic matter stripper system includes light organic matter stripper column；It is configured to light organic matter
At least a portion of stripper overhead stream is sent at least one pipeline of condenser；And it is configured to condensate flow extremely
A few part is sent at least one pipeline of flash cold column from condenser.
On the other hand, a kind of light organic matter stripper system includes light organic matter stripper column；It is configured to light organic matter
Stripper overhead stream is sent at least one pipeline of condenser；Wherein, pipeline is configured to receive before condenser is entered
Acid；And it is configured to condensate flow being sent at least one pipeline of at least flash cold column from condenser.
On the other hand, a kind of light organic matter stripper system includes：Light organic matter stripper column, it has multiple pallets,
Multiple pallets include bottom tray and top pallet, and light organic matter stripper column is configured to from the condensate for being fed to top pallet
Light gas of the middle stripping selected from ammonia and HCN, to form light organic matter stripper overhead stream and light organic matter stripper bottom thing
Stream, wherein, light organic matter stripper overhead stream includes the steam stripped light gas from condensate；It is configured to strip light organic matter
Device overhead stream is sent at least one pipeline of condenser；Wherein, pipeline is configured to receive acid before condenser is entered；With
And it is configured to condensate flow being sent at least one pipeline of flash cold column from condenser.
On the other hand, a kind of light organic matter stripper system includes：Light organic matter stripper column, it has multiple pallets,
Multiple pallets include bottom tray and top pallet, and light organic matter stripper column is configured to from the condensate for being fed to top pallet
Light gas of the middle stripping selected from ammonia and HCN, to form light organic matter stripper overhead stream and light organic matter stripper bottom thing
Stream, wherein, light organic matter stripper overhead stream includes the steam stripped light gas from condensate；It is configured to strip light organic matter
Device overhead stream is sent at least one pipeline of condenser；And it is configured to condensate flow being sent to flash cold column from condenser
At least one pipeline, wherein, transmit condensate flow pipeline be configured to receive acid.
On the other hand, a kind of technique for being used to run light organic matter stripper system is included from light organic matter stripper column
Remove light organic matter stripper overhead stream；Make at least a portion of light organic matter stripper overhead stream cold within the condenser
It is solidifying, to provide the light organic matter stripper overhead stream condensed at least in part, and make the light organic matter vapour partly condensed
At least a portion for carrying device overhead stream contacts with light organic matter stripper overhead stream.
Brief description of the drawings
According to the following drawings, the above and other aspects, features and advantages of several respects of technique will become apparent from.
Fig. 1 shows LOS Tower Systems.
Fig. 2 shows the LOS Tower Systems for including condenser and acid addition.
Fig. 3 shows the another aspect for including the LOS Tower Systems of condenser and acid addition.
Fig. 4 shows the another aspect for including the LOS Tower Systems of condenser and acid addition.
Corresponding reference marks indicated in some views of figure corresponding to component.Skilled artisan will appreciate that show
Element in figure is not necessarily drawn to scale them merely to succinct and clear.For example, the size of some elements in figure
It can expand relative to other elements, to help to promote to understand each side.Moreover, in terms of not being depicted in commercial viability generally
Element that is useful or necessary common but being well understood by, so as to without prejudice to these each side of observation.
Embodiment
Following description is not taken in a limiting sense, describes below but in order to describe the general original of exemplary embodiment
Reason.The scope of the present invention should be determined with reference to claim.
Manufacture acrylonitrile/methacrylonitrile can produce various condensate flows.United States Patent (USP) No. 4,334,965 is (by drawing
With and combine herein) be to produce evaporator condensation thing example with multi-effect evaporator.LOS systems and technique allow
From ammonia, HCN and other are reclaimed (such as from evaporator) caused by manufacture acrylonitrile/methacrylonitrile in condensate flow
Light gas.In this respect, technique includes stripping light gas (including ammonia and HCN) from condensate, is stripped with forming light organic matter
Device overhead stream and bottoms.Current system and technique allows relatively efficiently to utilize light organic matter stripper overhead stream.
Fig. 1 provides the general description of LOS systems.Reference picture 1, LOS systems 10 may include LOS towers 12.LOS towers 12 may include
Multiple pallets.In this respect, each pallet in multiple pallets 14 may be configured to allow the stripping ammonia HCN and other from condensate
Light organic matter.LOS towers 12 can be fed to by pipeline 21 by entering stream 20.On the one hand, technique includes removing from LOS towers 12 gently having
Machine thing stripper overhead stream 40.In this respect, flash cold column (not shown) can be transmitted in light organic matter stripper overhead stream 40.
On the other hand, light organic matter stripper bottom thing 22 can remove from LOS towers 12, and send and carry out chemical place
Reason and disposal.For example, ammonium sulfate condensate case (not shown) can be transmitted in a part for light organic matter stripper bottom thing 22, and
And/or person is subsequently used as make-up water, to be used in the quenching of the liquid of flash cold column (not shown).On the one hand, at least one reboiler
26 provide low-pressure steams to heat the liquid in LOS towers 12.
On the one hand, liquid effluent 44 can remove from LOS towers 12.The operation of light organic matter stripper may include to make hydraulic fluid side
A part for stream 44 returns to LOS towers 12, so that bottoms Liquid level is maintained in the range of predetermined fluid level.Technique may include liquid
A part for side stream 44 is sent to one or more heat exchangers, and a part is used as to the sealing water of pump, and handles remaining
Liquid is to be disposed.
On the one hand, technique may include to provide sodium carbonate 46 to one or more pallets of LOS towers 12.Steam 48 can be provided
To LOS towers 12, to carry out temperature control.
Fig. 2 shows the one side of LOS systems 100 and technique.In this respect, technique includes sending LOS overhead streams 40
To condenser 110.Available condenser include it is as known in the art those, such as shell-and-tube formula heat exchanger.
Before LOS overhead streams 40 are sent to flash cold column, acid can be added to it.On the one hand, enter in LOS overhead streams 40
Acid is added to it before entering condenser 110.On the one hand, technique includes making LOS overhead streams 40 and the liquid supplied by pipeline 112
Combination.On the one hand, show in fig. 2, the liquid LOS overhead streams through cooling down and being acidified supplied by pipeline 112 can push up with LOS
Portion's logistics 40 combines.Acid can be added to pipeline 112 by acid addition pipeline 114, then be combined with LOS overhead streams 40, to carry
For acidified LOS overhead streams 120.Acidified LOS overhead streams 120 can be added before condenser 110 is entered by acid
Port 122 is added to receive extra acid.Liquid LOS overhead streams 130 through cooling down and being acidified leave condenser 110.
On the other hand, acid can be added to LOS towers 12.As shown in Figure 2, the liquid LOS tops through cooling down and being acidified
A part for portion's logistics 130 can remove at pipeline 132, and be combined at acid addition port 134 with extra acid.This stream
LOS towers 12 can be returned to by pipeline 136.A part for liquid LOS overhead streams 130 through cooling down and being acidified can be supplied directly to
Flash cold column.In this respect, the temperature of the liquid LOS overhead streams 130 through cooling down and being acidified is about 75 DEG C to about 125 DEG C,
On the other hand, about 80 DEG C to about 120 DEG C, and on the other hand, about 90 DEG C to about 110 DEG C.
On the one hand, it is about 5 to about 7.5 acidified light organic matter stripper overhead stream is acidified into pH value, separately
On the one hand, about 5 to about 7, and on the other hand, about 5.5 to about 6.5.Technique may include in any one acid addition
At point 114,122 and 134, at all acid addition point, or acid is added at any combinations of one or more acid addition points.One
Aspect, acid include organic acid, organic acid derivatives and their mixture.Organic acid is selected from：Acetic acid, glycolic and theirs is mixed
Compound.
Fig. 3 shows the one side of LOS systems 200 and technique.In this respect, technique includes sending LOS overhead streams 40
To condenser 110.Acid can be added to LOS overhead streams 40 at acid addition point 202, to provide acidified LOS overhead streams.
Leaving a part for the liquid LOS overhead streams 130 through cooling down and being acidified of condenser 110 can remove at pipeline 132, and
Combined at acid addition port 204 with extra acid.This stream can combine with LOS overhead streams 40, and be recycled back into cold
Condenser 110.
Fig. 4 shows the one side of LOS systems 300 and technique.In this respect, technique includes sending LOS overhead streams 40
To condenser 110.Condenser 110 may include tube sheet (not shown) as known in the art.Acid can add at acid addition point 302
To LOS overhead streams 40, to provide acidified LOS overhead streams.Leave the liquid through cooling down and being acidified of condenser 110
A part for LOS overhead streams 130 can remove at pipeline 132, and be combined at acid addition port 304 with extra acid.
LOS overhead streams through cooling down and being acidified can contact with the tube sheet in condenser 110.
Sour and/or acidified stream is provided condenser 110, to reduce the fouling in condenser.On the one hand, will be delivered to
The sour and/or acidified stream of condenser 110 is supplied to the tube sheet in condenser 110 as spraying.Sour and/or acidified stream
Tube sheet condenser 110 can be sent to by spray nozzle 312 (such as full cone spray nozzle).Spray nozzle can be in angle
On be arranged so that spraying covering tube sheet.For example, nozzle can be perpendicular to tube sheet, and relative to vertical with tube sheet in being up to about
60 ° of angle.
As shown in Fig. 1-4, LOS towers 12 may include multiple pallets.In this respect, multiple pallets may be about 25
Individual to about 35 pallets, and on the other hand, about 30 pallets.
Although by means of specific embodiment, example and their application come the invention disclosed herein described, this area
Many modifications that technical staff can make in the case of without departing from the scope of the present invention illustrated in the claims to it and
Modification.
Claims (49)
1. a kind of light organic matter stripper system, it includes：
Light organic matter stripper column, it has multiple pallets, and the multiple pallet includes bottom tray and top pallet, described light
Organic matter stripper column is configured to light gas of the stripping selected from ammonia and HCN from the condensate for being fed to the top pallet, with
Light organic matter stripper overhead stream and light organic matter stripper bottom stream are formed, wherein, the light organic matter stripper top
Portion's logistics includes the steam stripped light gas from the condensate；
It is configured to the light organic matter stripper overhead stream being sent at least one pipeline of condenser；Wherein, the pipe
Line is configured to receive acid before the condenser is entered；And
It is configured to condensate flow being sent at least one pipeline of flash cold column from the condenser.
2. system according to claim 1, it is characterised in that multiple pallets of the light organic matter stripper column are 25
To 35 pallets.
3. system according to claim 2, it is characterised in that the multiple pallet is 30 pallets.
4. system according to claim 1, it is characterised in that the condenser includes being configured to contact described acidified
The tube sheet of light organic matter stripper overhead stream.
5. system according to claim 4, it is characterised in that make sour to contact with the tube sheet.
6. system according to claim 1, it is characterised in that the system includes being configured to make to leave the condenser
A part for condensate flow is recycled back into the pipeline of the condenser.
7. system according to claim 6, it is characterised in that the system includes being configured to leaving the condenser
Condensate flow adds the acid addition pipeline of acid to it before being again introduced into the condenser.
8. a kind of light organic matter stripper system, it includes：
Light organic matter stripper column, it has multiple pallets, and the multiple pallet includes bottom tray and top pallet, described light
Organic matter stripper column is configured to light gas of the stripping selected from ammonia and HCN from the condensate for being fed to the top pallet, with
Light organic matter stripper overhead stream and light organic matter stripper bottom stream are formed, wherein, the light organic matter stripper top
Portion's logistics includes the steam stripped light gas from the condensate；
It is configured to the light organic matter stripper overhead stream being sent at least one pipeline of condenser；And
It is configured to condensate flow being sent at least one pipeline of flash cold column from the condenser, wherein, transmit condensate flow
Pipeline be configured to receive acid.
9. system according to claim 8, it is characterised in that multiple pallets of the light organic matter stripper column are 25
To 35 pallets.
10. system according to claim 9, it is characterised in that the multiple pallet is 30 pallets.
11. system according to claim 8, it is characterised in that the condenser includes being configured to contact described light organic
The tube sheet of thing stripper overhead stream.
12. system according to claim 11, it is characterised in that make sour to contact with the tube sheet.
13. system according to claim 8, it is characterised in that the system includes being configured to make to leave the condenser
The part of condensate flow be recycled back into the pipeline of the condenser.
14. system according to claim 13, it is characterised in that the system includes being configured to leaving the condenser
Condensate flow enter the condenser before it is added acid acid addition pipeline.
15. a kind of technique for being used to run the light organic matter stripper system according to claim 1 or 8, it includes：
Light organic matter stripper overhead stream is removed from light organic matter stripper column；And
At least a portion of the light organic matter stripper overhead stream is sent to flash cold column.
16. technique according to claim 15, it is characterised in that the light organic matter stripper overhead stream is into institute
75 DEG C to 125 DEG C of temperature is cooled to before stating flash cold column.
17. technique according to claim 15, it is characterised in that enter institute in the light organic matter stripper overhead stream
Acid is added to it before stating flash cold column.
18. technique according to claim 17, it is characterised in that acid addition makes the light organic matter stripper overhead stream
PH value be 5 to 7.5.
19. technique according to claim 18, it is characterised in that it is described acid include organic acid, organic acid derivatives and it
Mixture, wherein, the organic acid is selected from：Acetic acid, glycolic and their mixture.
20. a kind of technique for being used to run the light organic matter stripper system according to claim 1 or 8, it includes：
Light organic matter stripper overhead stream is removed from light organic matter stripper column；
At least a portion of the light organic matter stripper overhead stream is set to be combined with liquid flow, to provide Combined light organic matter
Stripper overhead stream；And
At least a portion of the Combined light organic matter stripper overhead stream is sent to flash cold column.
21. technique according to claim 20, it is characterised in that make the light organic matter stripper overhead stream at least
A part combined with liquid flow make Combined light organic matter stripper overhead stream entrance the flash cold column before temperature be
75 DEG C to 125 DEG C.
22. technique according to claim 20, it is characterised in that in the light organic matter stripper overhead stream or combination
The light organic matter stripper overhead stream of formula adds acid before entering the flash cold column to it.
23. technique according to claim 22, it is characterised in that acid addition makes the light organic matter stripper overhead stream
Or the pH value of Combined light organic matter stripper overhead stream is 5 to 7.5.
24. technique according to claim 23, it is characterised in that it is described acid include organic acid, organic acid derivatives and it
Mixture, wherein, the organic acid is selected from：Acetic acid, glycolic and their mixture.
25. a kind of technique for being used to run the light organic matter stripper system according to claim 1 or 8, it includes：
Light organic matter stripper overhead stream is removed from light organic matter stripper column；
Make part or all of condensation of the light organic matter stripper overhead stream within the condenser, to provide at least in part
The light organic matter stripper overhead stream of condensation；And
The light organic matter stripper overhead stream condensed at least in part is sent to flash cold column.
26. technique according to claim 25, it is characterised in that at the top of the light organic matter stripper partly condensed
Logistics has 75 DEG C to 125 DEG C of temperature before the flash cold column is entered.
27. technique according to claim 25, it is characterised in that be sent in the light organic matter stripper overhead stream
Acid is added to it before the flash cold column.
28. technique according to claim 27, it is characterised in that enter institute in the light organic matter stripper overhead stream
Acid is added to it before stating condenser.
29. technique according to claim 27, it is characterised in that make the light organic matter stripper headpiece of acidified liquid
Stream combines with the light organic matter stripper overhead stream.
30. technique according to claim 27, it is characterised in that the acidified light organic matter stripper overhead stream
With 5 to 7.5 pH value.
31. technique according to claim 27, it is characterised in that it is described acid include organic acid, organic acid derivatives and it
Mixture, wherein, the organic acid is selected from：Acetic acid, glycolic and their mixture.
32. technique according to claim 25, it is characterised in that the light organic matter stripper condensed at least in part
A part for overhead stream is recycled back into the condenser.
33. technique according to claim 32, it is characterised in that be recycled back into the condenser at least in part
The light organic matter stripper overhead stream of condensation adds acid before entering the condenser to it.
34. technique according to claim 25, it is characterised in that the condenser includes tube sheet.
35. technique according to claim 34, it is characterised in that make sour to contact with the tube sheet.
36. technique according to claim 34, it is characterised in that make acidified light organic matter stripper overhead stream with
The tube sheet contact.
37. a kind of technique for being used to run the light organic matter stripper system according to claim 1 or 8, it includes：
Light organic matter stripper overhead stream is removed from light organic matter stripper column；
At least a portion of the light organic matter stripper overhead stream is set to be contacted with acid, to provide acidified light organic matter vapour
Carry device overhead stream；
Within the condenser condense at least a portion of the acidified light organic matter stripper overhead stream, to provide at least
The light organic matter stripper overhead stream partly condensed；And
The light organic matter stripper overhead stream condensed at least in part is sent to flash cold column.
38. the technique according to claim 37, it is characterised in that at the top of the light organic matter stripper partly condensed
Logistics has 75 DEG C to 125 DEG C of temperature before the flash cold column is entered.
39. the technique according to claim 37, it is characterised in that the acidified light organic matter stripper overhead stream
With 5 to 7.5 pH value.
40. the technique according to claim 37, it is characterised in that it is described acid include organic acid, organic acid derivatives and it
Mixture, wherein, the organic acid is selected from：Acetic acid, glycolic and their mixture.
41. the technique according to claim 37, it is characterised in that the condenser includes tube sheet.
42. technique according to claim 41, it is characterised in that make sour to contact with the tube sheet.
43. the technique according to claim 37, it is characterised in that the light organic matter stripper condensed at least in part
At least a portion of overhead stream is recycled back into the condenser.
44. technique according to claim 43, it is characterised in that be recycled back into the condenser at least in part
The light organic matter stripper overhead stream of condensation adds acid before entering the condenser to it.
45. a kind of technique for being used to run the light organic matter stripper system according to claim 1 or 8, it includes：
Light organic matter stripper overhead stream is removed from light organic matter stripper column；
Make at least a portion condensation of the light organic matter stripper overhead stream within the condenser, it is cold at least in part to provide
Solidifying light organic matter stripper overhead stream, and
Make at least a portion of the light organic matter stripper overhead stream partly condensed and the light organic matter stripper
Overhead stream contacts.
46. technique according to claim 45, it is characterised in that enter institute in the light organic matter stripper overhead stream
Acid is added to it before stating condenser.
47. technique according to claim 45, it is characterised in that on the light organic matter stripper top partly condensed
Portion's logistics adds acid after leaving the condenser to it.
48. technique according to claim 45, it is characterised in that by the light organic matter stripper top partly condensed
At least a portion of portion's logistics is sent to flash cold column.
49. technique according to claim 48, it is characterised in that the light organic matter stripper overhead stream of the condensation exists
There is 75 DEG C to 125 DEG C of temperature before into the flash cold column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089386.2A CN104667558B (en) | 2015-02-27 | 2015-02-27 | Light organic matter stripper column system and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089386.2A CN104667558B (en) | 2015-02-27 | 2015-02-27 | Light organic matter stripper column system and technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104667558A CN104667558A (en) | 2015-06-03 |
| CN104667558B true CN104667558B (en) | 2018-02-13 |
Family
ID=53303470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510089386.2A Active CN104667558B (en) | 2015-02-27 | 2015-02-27 | Light organic matter stripper column system and technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104667558B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112566706B (en) * | 2018-06-04 | 2023-10-13 | 布莱恩·奥泽罗 | Process for the recovery of ethylene oxide |
| US11136280B2 (en) * | 2019-05-29 | 2021-10-05 | Uop Llc | Process and system for removal of light ends and non-condensables to prevent buildup in an olefin/paraffin membrane separation process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205055475U (en) * | 2015-02-27 | 2016-03-02 | 英尼奥斯欧洲股份公司 | Light organic matter stripper system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234510A (en) * | 1973-06-07 | 1980-11-18 | Standard Oil Company | Recovery of acrylonitrile or methacrylonitrile by condensation |
| US3885928A (en) * | 1973-06-18 | 1975-05-27 | Standard Oil Co Ohio | Acrylonitrile and methacrylonitrile recovery and purification system |
| KR100498803B1 (en) * | 1996-10-23 | 2005-07-01 | 솔루티아인코포레이티드 | Process for purifying acrylonitrile |
| DE10037774A1 (en) * | 2000-08-03 | 2002-02-14 | Bayer Ag | Method and device for obtaining organic substances from a gas mixture containing these substances |
| KR100799513B1 (en) * | 2001-08-21 | 2008-01-31 | 더 스탠다드 오일 캄파니 | Improved operation of heads column in acrylonitrile production |
| JP2004051589A (en) * | 2002-07-23 | 2004-02-19 | Asahi Kasei Chemicals Corp | Method for separating/recovering unreacted hydrocarbon |
| WO2006012606A2 (en) * | 2004-07-22 | 2006-02-02 | Ineos Usa Llc | Improved process for recovery and recycle of ammonia from a vapor stream |
| CN101092266B (en) * | 2006-06-21 | 2010-05-12 | 中国石油化工股份有限公司 | Method for treating wastewater of dilute thiamine containing acrylonitrile |
| CN103739517A (en) * | 2012-10-17 | 2014-04-23 | 中国石油化工股份有限公司 | Improvement method for recycling and reusing unreacted ammonia in acrylonitrile reaction apparatus |
-
2015
- 2015-02-27 CN CN201510089386.2A patent/CN104667558B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205055475U (en) * | 2015-02-27 | 2016-03-02 | 英尼奥斯欧洲股份公司 | Light organic matter stripper system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104667558A (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7116118B2 (en) | Evaporation system with a series of evaporators for treating ammoxidation process streams | |
| CN104667558B (en) | Light organic matter stripper column system and technique | |
| JP6761758B2 (en) | Reduced fouling in the acetonitrile removal step of acrylonitrile recovery | |
| CN205055475U (en) | Light organic matter stripper system | |
| CN204447371U (en) | Evaporator system | |
| EP3389810B1 (en) | Recovery column control | |
| TWI713466B (en) | Evaporation process | |
| JP7096283B2 (en) | Evaporation system for process flow | |
| EA027382B1 (en) | Process for the production of a mixture comprising cyclohexanol and cyclohexanone | |
| RU2801385C2 (en) | Evaporation unit for process stream | |
| RU2721133C2 (en) | Extraction column | |
| CN105727582A (en) | Evaporation system for process stream |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |